How often should hard hats be taken out of service and replaced?

Hard hats should be replaced every 12 months primarily due to the wear and tear they can experience over time, even if they might not show visible signs of damage. This period allows for the aging of materials used in hard hats, which can degrade due to environmental factors such as UV exposure, extreme temperatures, and even the oils and chemicals encountered in various work environments.

Regular replacement helps ensure the hard hat maintains its protective properties, as prolonged use can compromise its ability to absorb impacts or protect against penetration. While hard hats may only need to be replaced when damaged if they're subjected to severe impacts, this guideline encourages a proactive approach to safety by ensuring that all workers are equipped with the highest quality protection on a consistent basis.

Choosing a periodic replacement schedule, such as every 12 months, helps to standardize safety practices and protect workers from the risks associated with deteriorating personal protective equipment.